Using the equation λ = hc/E, where E = 2 eV = 2 * 1.6 x 10^-19 J, we find the minimum wavelength λ = (6.63 x 10^-34 J·s * 3 x 10^8 m/s) / (2 * 1.6 x 10^-19 J) = 310 nm.

The threshold wavelength can be calculated using the equation λ = hc/W. Substituting h = 4.14 x 10^-15 eV·s, c = 3 x 10^8 m/s, and W = 2 eV gives λ = 620 nm.

The maximum kinetic energy can be calculated using KE = hf - φ. Here, KE = 5.0 eV - 2.0 eV = 3.0 eV.

The minimum wavelength can be calculated using the equation λ = hc/W. Substituting h = 4.14 x 10^-15 eV·s, c = 3 x 10^8 m/s, and W = 4 eV gives λ = 310 nm.

The threshold frequency can be calculated using the formula f = φ/h, where h is Planck's constant (4.14 x 10^-15 eV·s).

Energy (E) = hc / λ = (1240 nm·eV) / 300 nm = 4.13 eV.

Frequency (ν) = E/h = 5 eV / (4.14 x 10^-15 eV·s) = 7.5 x 10^14 Hz.

Kinetic energy (K.E.) = Photon energy - Work function = 5 eV - 3 eV = 2 eV.

The kinetic energy of the emitted electrons is given by KE = hf - φ. If the frequency is doubled, the kinetic energy increases as it is directly proportional to frequency.

Doubling the intensity of light increases the number of photons incident on the surface, which in turn increases the number of emitted electrons, assuming the frequency is above the threshold frequency.

Doubling the intensity of light increases the number of photons incident on the surface, which in turn increases the number of emitted electrons, assuming the frequency is above the threshold frequency.

Doubling the intensity of light doubles the number of photons, thus doubling the number of photoelectrons emitted.

The photoelectric effect occurs only when the frequency of the incident light is above the threshold frequency.

Minimum wavelength (λ) = hc / Φ = (1240 nm·eV) / 2.5 eV = 496 nm.

Minimum wavelength (λ) = hc / Φ = (1240 nm·eV) / 2.5 eV = 496 nm.

The threshold wavelength can be calculated using the equation λ = hc/φ. Substituting h = 4.14 x 10^-15 eV·s, c = 3 x 10^8 m/s, and φ = 4.5 eV gives λ ≈ 400 nm.

If the frequency of light is just above the threshold frequency, the emitted electrons will have zero kinetic energy, as all the energy is used to overcome the work function.

Increasing the stopping potential indicates that the emitted electrons have higher kinetic energy, as more energy is required to stop them.

Increasing the stopping potential reduces the number of electrons reaching the anode, thus decreasing the current.

The stopping potential does not affect the energy of the emitted electrons; it only affects the number of electrons reaching the detector.

Increasing the stopping potential increases the maximum kinetic energy of the emitted electrons, as the stopping potential is directly related to the kinetic energy of the electrons.

The work function is the minimum energy required to remove an electron from the surface of a metal.

The work function is the minimum energy required to remove an electron from the surface of the metal.

At the threshold frequency, the energy of the incident photons is equal to the work function, resulting in emitted electrons having zero kinetic energy.

The excess energy of the photon becomes the kinetic energy of the emitted photoelectrons.

The kinetic energy of emitted electrons remains the same as it depends on the frequency, not intensity.

The kinetic energy of emitted electrons increases linearly with the frequency of the incident light, according to the equation KE = hf - φ.

The kinetic energy of the emitted electrons increases with the frequency of the incident light, as given by the equation KE = hf - φ, where φ is the work function.

Increasing the frequency beyond the threshold increases the kinetic energy of the emitted electrons, as per the equation KE = hf - φ.

Increasing the wavelength decreases the frequency of the light, which reduces the energy of the incident photons, thus decreasing the kinetic energy of emitted electrons.